Home / 1,115,703.30-1,539,680.67-606,406.86

Finding the Fourth Proportional to 1,115,703.30, 1,539,680.67 and 606,406.86

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Solution

The fourth proportional to 1,115,703.30, 1,539,680.67 and 606,406.86 is: 836,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,703.30 : 1,539,680.67 = 606,406.86 : x
  2. Step 2: Convert to fraction form
    1,115,703.30/1,539,680.67 = 606,406.86/x
  3. Step 3: Cross multiply
    1,115,703.30x = 1,539,680.67 × 606,406.86
  4. Step 4: Simplify right side
    1,115,703.30x = 933,672,920,497.40
  5. Step 5: Solve for x
    x = 933,672,920,497.40/1,115,703.30
  6. Step 6: Final answer
    x = 836,846.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.